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After a catastrophic car accident that left him in a coma, Simon Lewis found ways to recover -- physically and mentally -- beyond all expectations. At the INK Conference he tells how this remarkable story led him to concern over all threats to consciousness, and how to overcome them. Topics: TEDTalks, INK Conference, TED, Talks, consciousness, medicine, technology, 2010

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Philosopher John Searle lays out the case for studying human consciousness -- and systematically shoots down some of the common objections to taking it seriously. As we learn more about the brain processes that cause awareness, accepting that consciousness is a biological phenomenon is an important first step. And no, he says, consciousness is not a massive computer simulation. (Filmed at TEDxCERN.) Topics: TEDTalks, TED, Talks, brain, consciousness, philosophy, science, TEDxCERN, 2013

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Many of us have a social media presence -- a virtual personality made up of status updates, tweets and connections, stored in the cloud. Adam Ostrow asks a big question: What happens to that personality after you've died? Could it ... live on? Topics: TEDTalks, TEDGlobal 2011, TED, Talks, consciousness, culture, self, social change, social media,...

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Henry Markram says the mysteries of the mind can be solved -- soon. Mental illness, memory, perception: they're made of neurons and electric signals, and he plans to find them with a supercomputer that models all the brain's 100,000,000,000,000 synapses. Topics: TEDTalks, TED, Talks, brain, computers, consciousness, mind, neurology, philosophy, technology,...

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Every morning we wake up and regain consciousness -- that is a marvelous fact -- but what exactly is it that we regain? Neuroscientist Antonio Damasio uses this simple question to give us a glimpse into how our brains create our sense of self. Topics: TEDTalks, TED, Talks, brain, consciousness, neuroscience, science, self, TED2011, 2011

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Psychopathic killers are the basis for some must-watch TV, but what really makes them tick? Neuroscientist Jim Fallon talks about brain scans and genetic analysis that may uncover the rotten wiring in the nature (and nurture) of murderers. In a too-strange-for-fiction twist, he shares a fascinating family history that makes his work chillingly personal. Topics: TEDTalks, TED2009, TED, Talks, brain, consciousness, development, mind, psychology, science,...

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Philosopher Dan Dennett calls for religion -- all religion -- to be taught in schools, so we can understand its nature as a natural phenomenon. Then he takes on The Purpose-Driven Life, disputing its claim that, to be moral, one must deny evolution. Topics: TEDTalks, TED2006, TED, Talks, God, atheism, brain, cognitive science, consciousness, evolution,...

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Our consciousness is a fundamental aspect of our existence, says philosopher David Chalmers: “There’s nothing we know about more directly…. but at the same time it’s the most mysterious phenomenon in the universe.” He shares some ways to think about the movie playing in our heads. Topics: TedTalks, TED, Talks, brain, consciousness, neuroscience, philosophy, TED2014, 2014